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EMPLOYEE BENEFIT PLANS (Details 9) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
401(k) plan |  |  |
Defined Contribution Plans |  |  |
Employer matching contribution (as a percent) | 4.00% |  |
Employer matching contribution expenses | $ 1.6 | $ 1.5 | $ 0.2
Profit sharing plan |  |  |
Defined Contribution Plans |  |  |
Profit sharing expense recorded | $ 1.2 |  | $ 1.7
Profit sharing plan | Maximum |  |  |
Defined Contribution Plans |  |  |
Contribution percentage |  |  | 3.00%

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- Definition The contribution, under the defined contribution plan, made by the employer as a percentage when a minimum threshold of the entity's performance is achieved. + References No definition available. + Details
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- Definition Represents the amount of the profit sharing expenses recorded during the period for defined contribution plans. + References No definition available. + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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